The pencil is still on the desk.中still是什么词性?用来修饰哪个词?

The pencil is still on the desk.中still是什么词性?用来修饰哪个词? My postcard is still on the desk.Why ______you ______it is still on the line. （who)pencil is on the desk? The pencil is long on the desk和The pencil on the desk is lon the radio was still on!中on是什么用法 still on the the pencil on the desk is new 可不可以说成 the pencil on the table there is a pencil sharpener on the desk改成疑问句 The journey is still on,we are on the way there （ ） a pencil case and some books on the desk.（）中应该填is The book is on the desk中介词短语on the desk 的句子成分是什么?